move base route into routes folder

app/routes/application.js

-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
 
 
 export default class ApplicationRoute extends BaseRoute {

app/routes/authenticated/automates/index.js

 import { inject as service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
 
 export default class AutomatesRoute extends BaseRoute {
   @service store;

app/routes/authenticated/groups.js

 import { inject as service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
 
 
 export default class GroupsRoute extends BaseRoute {

app/routes/authenticated/roles/index.js

-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
 import { inject as service } from '@ember/service';
 
 

app/routes/authenticated/tags.js

 import { service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
 
 
 export default class TagsRoute extends BaseRoute {

app/routes/authenticated/tokens.js

 import { service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
 
 
 export default class TokensRoute extends BaseRoute {

app/routes/authenticated/users/index.js

 import { inject as service } from '@ember/service';
-import BaseRoute from 'papermerge/base/routing';
+import BaseRoute from 'papermerge/routes/base';
+
 
 export default class UsersRoute extends BaseRoute {
   @service store;